define([ "jquery", "underscore", "libs/FileSaver" ], function($, _) { var utils = {}; // Return a parameter from the URL utils.getURLParameter = function(name) { var regex = new RegExp(name + "=(.+?)(&|$)"); try { return decodeURIComponent(regex.exec(location.search)[1]); } catch (e) { return undefined; } }; // Transform a selector into a jQuery object function jqElt(element) { if(_.isString(element)) { return $(element); } return element; } // For input control function inputError(element, event) { if(event !== undefined) { element.stop(true, true).addClass("error").delay(1000).switchClass("error"); event.stopPropagation(); } } // Return input value utils.getInputValue = function(element) { element = jqElt(element); return element.val(); }; // Set input value utils.setInputValue = function(element, value) { element = jqElt(element); element.val(value); }; // Return input text value utils.getInputTextValue = function(element, event, validationRegex) { element = jqElt(element); var value = element.val(); if(value === undefined) { inputError(element, event); return undefined; } // trim value = utils.trim(value); if((value.length === 0) || (validationRegex !== undefined && !value.match(validationRegex))) { inputError(element, event); return undefined; } return value; }; // Return input integer value utils.getInputIntValue = function(element, event, min, max) { element = jqElt(element); var value = utils.getInputTextValue(element, event); if(value === undefined) { return undefined; } value = parseInt(value); if((value === NaN) || (min !== undefined && value < min) || (max !== undefined && value > max)) { inputError(element, event); return undefined; } return value; }; // Return input value and check that it's a valid RegExp utils.getInputRegExpValue = function(element, event) { element = jqElt(element); var value = utils.getInputTextValue(element, event); if(value === undefined) { return undefined; } try { new RegExp(value); } catch(e) { inputError(element, event); return undefined; } return value; }; // Return checkbox boolean value utils.getInputChecked = function(element) { element = jqElt(element); return element.prop("checked"); }; // Set checkbox state utils.setInputChecked = function(element, checked) { element = jqElt(element); element.prop("checked", checked); }; // Get radio button value utils.getInputRadio = function(name) { return $("input:radio[name=" + name + "]:checked").prop("value"); }; // Set radio button value utils.setInputRadio = function(name, value) { $("input:radio[name=" + name + "][value=" + value + "]").prop("checked", true); }; // Reset input control in all modals utils.resetModalInputs = function() { $(".modal input[type=text]:not([disabled]), .modal input[type=password]").val(""); }; // Basic trim function utils.trim = function(str) { return $.trim(str); }; // Slug function utils.slugify = function(text) { return text.toLowerCase().replace(/\s+/g, '-') // Replace spaces with - .replace(/[^\w\-]+/g, '') // Remove all non-word chars .replace(/\-\-+/g, '-') // Replace multiple - with single - .replace(/^-+/, '') // Trim - from start of text .replace(/-+$/, ''); // Trim - from end of text }; // Check an URL utils.checkUrl = function(url, addSlash) { if(!url) { return url; } if(url.indexOf("http") !== 0) { url = "http://" + url; } if(addSlash && url.indexOf("/", url.length - 1) === -1) { url += "/"; } return url; }; // Create an centered popup window utils.popupWindow = function(url, title, width, height) { var left = (screen.width / 2) - (width / 2); var top = (screen.height / 2) - (height / 2); return window.open(url, title, [ 'toolbar=no, ', 'location=no, ', 'directories=no, ', 'status=no, ', 'menubar=no, ', 'scrollbars=no, ', 'resizable=no, ', 'copyhistory=no, ', 'width=' + width + ', ', 'height=' + height + ', ', 'top=' + top + ', ', 'left=' + left ].join("")); }; // Export data on disk utils.saveAs = function(content, filename) { if(saveAs !== undefined) { var blob = new Blob([ content ], { type: "text/plain;charset=utf-8" }); saveAs(blob, filename); } else { var uriContent = "data:application/octet-stream;base64," + utils.encodeBase64(content); window.open(uriContent, 'file'); } }; // Generates a random string utils.randomString = function() { return _.random(4294967296).toString(36); }; // Time shared by others modules utils.updateCurrentTime = function() { utils.currentTime = new Date().getTime(); }; utils.updateCurrentTime(); // Serialize sync/publish attributes and store it in the localStorage utils.storeAttributes = function(attributes) { var storeIndex = attributes.syncIndex || attributes.publishIndex; // Don't store sync/publish index var storedAttributes = _.omit(attributes, "syncIndex", "publishIndex", "provider"); // Store providerId instead of provider storedAttributes.provider = attributes.provider.providerId; localStorage[storeIndex] = JSON.stringify(storedAttributes); }; // Retrieve/parse an index array from localStorage utils.retrieveIndexArray = function(storeIndex) { try { return _.compact(localStorage[storeIndex].split(";")); } catch(e) { localStorage[storeIndex] = ";"; return []; } }; // Append an index to an array in localStorage utils.appendIndexToArray = function(storeIndex, index) { localStorage[storeIndex] += index + ";"; }; // Remove an index from an array in localStorage utils.removeIndexFromArray = function(storeIndex, index) { localStorage[storeIndex] = localStorage[storeIndex].replace(";" + index + ";", ";"); }; // Retrieve/parse an object from localStorage. Returns undefined if error. utils.retrieveIgnoreError = function(storeIndex) { try { return JSON.parse(localStorage[storeIndex]); } catch(e) { return undefined; } }; // Base64 conversion utils.encodeBase64 = function(str) { if(str.length === 0) { return ""; } // UTF-8 to byte array var bytes = [], offset = 0, length, char; str = encodeURI(str); length = str.length; while (offset < length) { char = str[offset]; offset += 1; if('%' !== char) { bytes.push(char.charCodeAt(0)); } else { char = str[offset] + str[offset + 1]; bytes.push(parseInt(char, 16)); offset += 2; } } // byte array to base64 var padchar = '='; var alpha = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var i, b10; var x = []; var imax = bytes.length - bytes.length % 3; for (i = 0; i < imax; i += 3) { b10 = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]; x.push(alpha.charAt(b10 >> 18)); x.push(alpha.charAt((b10 >> 12) & 0x3F)); x.push(alpha.charAt((b10 >> 6) & 0x3f)); x.push(alpha.charAt(b10 & 0x3f)); } switch (bytes.length - imax) { case 1: b10 = bytes[i] << 16; x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) + padchar + padchar); break; case 2: b10 = (bytes[i] << 16) | (bytes[i + 1] << 8); x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) + alpha.charAt((b10 >> 6) & 0x3f) + padchar); break; } return x.join(''); }; // CRC32 algorithm var mHash = [ 0, 1996959894, 3993919788, 2567524794, 124634137, 1886057615, 3915621685, 2657392035, 249268274, 2044508324, 3772115230, 2547177864, 162941995, 2125561021, 3887607047, 2428444049, 498536548, 1789927666, 4089016648, 2227061214, 450548861, 1843258603, 4107580753, 2211677639, 325883990, 1684777152, 4251122042, 2321926636, 335633487, 1661365465, 4195302755, 2366115317, 997073096, 1281953886, 3579855332, 2724688242, 1006888145, 1258607687, 3524101629, 2768942443, 901097722, 1119000684, 3686517206, 2898065728, 853044451, 1172266101, 3705015759, 2882616665, 651767980, 1373503546, 3369554304, 3218104598, 565507253, 1454621731, 3485111705, 3099436303, 671266974, 1594198024, 3322730930, 2970347812, 795835527, 1483230225, 3244367275, 3060149565, 1994146192, 31158534, 2563907772, 4023717930, 1907459465, 112637215, 2680153253, 3904427059, 2013776290, 251722036, 2517215374, 3775830040, 2137656763, 141376813, 2439277719, 3865271297, 1802195444, 476864866, 2238001368, 4066508878, 1812370925, 453092731, 2181625025, 4111451223, 1706088902, 314042704, 2344532202, 4240017532, 1658658271, 366619977, 2362670323, 4224994405, 1303535960, 984961486, 2747007092, 3569037538, 1256170817, 1037604311, 2765210733, 3554079995, 1131014506, 879679996, 2909243462, 3663771856, 1141124467, 855842277, 2852801631, 3708648649, 1342533948, 654459306, 3188396048, 3373015174, 1466479909, 544179635, 3110523913, 3462522015, 1591671054, 702138776, 2966460450, 3352799412, 1504918807, 783551873, 3082640443, 3233442989, 3988292384, 2596254646, 62317068, 1957810842, 3939845945, 2647816111, 81470997, 1943803523, 3814918930, 2489596804, 225274430, 2053790376, 3826175755, 2466906013, 167816743, 2097651377, 4027552580, 2265490386, 503444072, 1762050814, 4150417245, 2154129355, 426522225, 1852507879, 4275313526, 2312317920, 282753626, 1742555852, 4189708143, 2394877945, 397917763, 1622183637, 3604390888, 2714866558, 953729732, 1340076626, 3518719985, 2797360999, 1068828381, 1219638859, 3624741850, 2936675148, 906185462, 1090812512, 3747672003, 2825379669, 829329135, 1181335161, 3412177804, 3160834842, 628085408, 1382605366, 3423369109, 3138078467, 570562233, 1426400815, 3317316542, 2998733608, 733239954, 1555261956, 3268935591, 3050360625, 752459403, 1541320221, 2607071920, 3965973030, 1969922972, 40735498, 2617837225, 3943577151, 1913087877, 83908371, 2512341634, 3803740692, 2075208622, 213261112, 2463272603, 3855990285, 2094854071, 198958881, 2262029012, 4057260610, 1759359992, 534414190, 2176718541, 4139329115, 1873836001, 414664567, 2282248934, 4279200368, 1711684554, 285281116, 2405801727, 4167216745, 1634467795, 376229701, 2685067896, 3608007406, 1308918612, 956543938, 2808555105, 3495958263, 1231636301, 1047427035, 2932959818, 3654703836, 1088359270, 936918000, 2847714899, 3736837829, 1202900863, 817233897, 3183342108, 3401237130, 1404277552, 615818150, 3134207493, 3453421203, 1423857449, 601450431, 3009837614, 3294710456, 1567103746, 711928724, 3020668471, 3272380065, 1510334235, 755167117 ]; utils.crc32 = function(str) { var n = 0, crc = -1; for ( var i = 0; i < str.length; i++) { n = (crc ^ str.charCodeAt(i)) & 0xFF; crc = (crc >>> 8) ^ mHash[n]; } crc = crc ^ (-1); if(crc < 0) { crc = 0xFFFFFFFF + crc + 1; } return crc.toString(16); }; return utils; });